The following are known CWCheat Codes for Midnight Club: L.A. Remix on Sony Playstation Portable (PSP).

_S ULUS-10383
_G Midnight Club: L.A. Remix [US]
_C0 Ca$h 9,555,000 (LA)
_L 0x20526FC0 0x0091CC38
_C0 Disable AI (Hold Select While Race Loads)
_L 0x08B51FBC 0xA2700001
_L 0x59FAE9E8 0x00000001
_L 0x08B51FBC 0xA2600001
_L 0xD2000000 0x00000000
_C0 Max / Infinite Cash
_L 0x08D26FC0 0x05F5E0FF
_C0 Max Rep: Legend Status
_L 0x08D6A470 0x00004E20
_L 0x08D6A474 0x00004E20
_C0 Max/Infinite Nitro (Press X+Square)
_L 0x08D8E3C 0x00000000
_L 0x088D8E44 0x00000000
_L 0x59FFF418 0x0000C000
_L 0x088D8E3C 0x3C013F80
_L 0x088D8E44 0xAE4101B0
_L 0xD2000000 0x00000000
_C0 Normal Speed
_L 0x08C2B45C 0x3D4CCCCD
_C0 Rep - 20,000 (LA)
_L 0x2056A470 0x00004E20
_C0 Slow Motion
_L 0x08C2B45C 0x3C8CCCCD
_C0 Super Slow Motion
_L 0x08C2B45C 0x3C0CCCCD
_C0 Unlimited Damage(LA)
_L 0x214757A4 0x00000000
_L 0x214757A8 0x00000000
_L 0x21431244 0x00000000
_L 0x21431248 0x00000000 
_C0 Unlimited Nitro (LA)
_L 0x204D9E40 0x00040064
_L 0x204DA6B0 0x00040064
_L 0x204DA6E0 0x00040064
_L 0x20E91D28 0x00040064